[J-u-boot.git] / common / edid.c

/*
 * Copyright (c) 2012 The Chromium OS Authors.
 *
 * (C) Copyright 2010
 * Petr Stetiar <[email protected]>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 * Contains stolen code from ddcprobe project which is:
 * Copyright (C) Nalin Dahyabhai <[email protected]>
 *
 */

#include <common.h>
#include <edid.h>
#include <linux/ctype.h>
#include <linux/string.h>

int edid_check_info(struct edid1_info *edid_info)
{
	if ((edid_info == NULL) || (edid_info->version == 0))
		return -1;

	if (memcmp(edid_info->header, "\x0\xff\xff\xff\xff\xff\xff\x0", 8))
		return -1;

	if (edid_info->version == 0xff && edid_info->revision == 0xff)
		return -1;

	return 0;
}

int edid_get_ranges(struct edid1_info *edid, unsigned int *hmin,
		    unsigned int *hmax, unsigned int *vmin,
		    unsigned int *vmax)
{
	int i;
	struct edid_monitor_descriptor *monitor;

	*hmin = *hmax = *vmin = *vmax = 0;
	if (edid_check_info(edid))
		return -1;

	for (i = 0; i < ARRAY_SIZE(edid->monitor_details.descriptor); i++) {
		monitor = &edid->monitor_details.descriptor[i];
		if (monitor->type == EDID_MONITOR_DESCRIPTOR_RANGE) {
			*hmin = monitor->data.range_data.horizontal_min;
			*hmax = monitor->data.range_data.horizontal_max;
			*vmin = monitor->data.range_data.vertical_min;
			*vmax = monitor->data.range_data.vertical_max;
			return 0;
		}
	}
	return -1;
}

/**
 * Snip the tailing whitespace/return of a string.
 *
 * @param string	The string to be snipped
 * @return the snipped string
 */
static char *snip(char *string)
{
	char *s;

	/*
	 * This is always a 13 character buffer
	 * and it's not always terminated.
	 */
	string[12] = '\0';
	s = &string[strlen(string) - 1];

	while (s >= string && (isspace(*s) || *s == '\n' || *s == '\r' ||
			*s == '\0'))
		*(s--) = '\0';

	return string;
}

/**
 * Print an EDID monitor descriptor block
 *
 * @param monitor	The EDID monitor descriptor block
 * @have_timing		Modifies to 1 if the desciptor contains timing info
 */
static void edid_print_dtd(struct edid_monitor_descriptor *monitor,
			   unsigned int *have_timing)
{
	unsigned char *bytes = (unsigned char *)monitor;
	struct edid_detailed_timing *timing =
			(struct edid_detailed_timing *)monitor;

	if (bytes[0] == 0 && bytes[1] == 0) {
		if (monitor->type == EDID_MONITOR_DESCRIPTOR_SERIAL)
			printf("Monitor serial number: %s\n",
			       snip(monitor->data.string));
		else if (monitor->type == EDID_MONITOR_DESCRIPTOR_ASCII)
			printf("Monitor ID: %s\n",
			       snip(monitor->data.string));
		else if (monitor->type == EDID_MONITOR_DESCRIPTOR_NAME)
			printf("Monitor name: %s\n",
			       snip(monitor->data.string));
		else if (monitor->type == EDID_MONITOR_DESCRIPTOR_RANGE)
			printf("Monitor range limits, horizontal sync: "
			       "%d-%d kHz, vertical refresh: "
			       "%d-%d Hz, max pixel clock: "
			       "%d MHz\n",
			       monitor->data.range_data.horizontal_min,
			       monitor->data.range_data.horizontal_max,
			       monitor->data.range_data.vertical_min,
			       monitor->data.range_data.vertical_max,
			       monitor->data.range_data.pixel_clock_max * 10);
	} else {
		uint32_t pixclock, h_active, h_blanking, v_active, v_blanking;
		uint32_t h_total, v_total, vfreq;

		pixclock = EDID_DETAILED_TIMING_PIXEL_CLOCK(*timing);
		h_active = EDID_DETAILED_TIMING_HORIZONTAL_ACTIVE(*timing);
		h_blanking = EDID_DETAILED_TIMING_HORIZONTAL_BLANKING(*timing);
		v_active = EDID_DETAILED_TIMING_VERTICAL_ACTIVE(*timing);
		v_blanking = EDID_DETAILED_TIMING_VERTICAL_BLANKING(*timing);

		h_total = h_active + h_blanking;
		v_total = v_active + v_blanking;
		if (v_total * h_total)
			vfreq = pixclock / (v_total * h_total);
		else
			vfreq = 1; /* Error case */
		printf("\t%dx%d\%c\t%d Hz (detailed)\n", h_active,
		       v_active, h_active > 1000 ? ' ' : '\t', vfreq);
		*have_timing = 1;
	}
}

/**
 * Get the manufacturer name from an EDID info.
 *
 * @param edid_info     The EDID info to be printed
 * @param name		Returns the string of the manufacturer name
 */
static void edid_get_manufacturer_name(struct edid1_info *edid, char *name)
{
	name[0] = EDID1_INFO_MANUFACTURER_NAME_CHAR1(*edid) + 'A' - 1;
	name[1] = EDID1_INFO_MANUFACTURER_NAME_CHAR2(*edid) + 'A' - 1;
	name[2] = EDID1_INFO_MANUFACTURER_NAME_CHAR3(*edid) + 'A' - 1;
	name[3] = '\0';
}

void edid_print_info(struct edid1_info *edid_info)
{
	int i;
	char manufacturer[4];
	unsigned int have_timing = 0;
	uint32_t serial_number;

	if (edid_check_info(edid_info)) {
		printf("Not a valid EDID\n");
		return;
	}

	printf("EDID version: %d.%d\n",
	       edid_info->version, edid_info->revision);

	printf("Product ID code: %04x\n", EDID1_INFO_PRODUCT_CODE(*edid_info));

	edid_get_manufacturer_name(edid_info, manufacturer);
	printf("Manufacturer: %s\n", manufacturer);

	serial_number = EDID1_INFO_SERIAL_NUMBER(*edid_info);
	if (serial_number != 0xffffffff) {
		if (strcmp(manufacturer, "MAG") == 0)
			serial_number -= 0x7000000;
		if (strcmp(manufacturer, "OQI") == 0)
			serial_number -= 456150000;
		if (strcmp(manufacturer, "VSC") == 0)
			serial_number -= 640000000;
	}
	printf("Serial number: %08x\n", serial_number);
	printf("Manufactured in week: %d year: %d\n",
	       edid_info->week, edid_info->year + 1990);

	printf("Video input definition: %svoltage level %d%s%s%s%s%s\n",
	       EDID1_INFO_VIDEO_INPUT_DIGITAL(*edid_info) ?
	       "digital signal, " : "analog signal, ",
	       EDID1_INFO_VIDEO_INPUT_VOLTAGE_LEVEL(*edid_info),
	       EDID1_INFO_VIDEO_INPUT_BLANK_TO_BLACK(*edid_info) ?
	       ", blank to black" : "",
	       EDID1_INFO_VIDEO_INPUT_SEPARATE_SYNC(*edid_info) ?
	       ", separate sync" : "",
	       EDID1_INFO_VIDEO_INPUT_COMPOSITE_SYNC(*edid_info) ?
	       ", composite sync" : "",
	       EDID1_INFO_VIDEO_INPUT_SYNC_ON_GREEN(*edid_info) ?
	       ", sync on green" : "",
	       EDID1_INFO_VIDEO_INPUT_SERRATION_V(*edid_info) ?
	       ", serration v" : "");

	printf("Monitor is %s\n",
	       EDID1_INFO_FEATURE_RGB(*edid_info) ? "RGB" : "non-RGB");

	printf("Maximum visible display size: %d cm x %d cm\n",
	       edid_info->max_size_horizontal,
	       edid_info->max_size_vertical);

	printf("Power management features: %s%s, %s%s, %s%s\n",
	       EDID1_INFO_FEATURE_ACTIVE_OFF(*edid_info) ?
	       "" : "no ", "active off",
	       EDID1_INFO_FEATURE_SUSPEND(*edid_info) ? "" : "no ", "suspend",
	       EDID1_INFO_FEATURE_STANDBY(*edid_info) ? "" : "no ", "standby");

	printf("Estabilished timings:\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_720X400_70(*edid_info))
		printf("\t720x400\t\t70 Hz (VGA 640x400, IBM)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_720X400_88(*edid_info))
		printf("\t720x400\t\t88 Hz (XGA2)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_640X480_60(*edid_info))
		printf("\t640x480\t\t60 Hz (VGA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_640X480_67(*edid_info))
		printf("\t640x480\t\t67 Hz (Mac II, Apple)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_640X480_72(*edid_info))
		printf("\t640x480\t\t72 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_640X480_75(*edid_info))
		printf("\t640x480\t\t75 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_800X600_56(*edid_info))
		printf("\t800x600\t\t56 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_800X600_60(*edid_info))
		printf("\t800x600\t\t60 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_800X600_72(*edid_info))
		printf("\t800x600\t\t72 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_800X600_75(*edid_info))
		printf("\t800x600\t\t75 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_832X624_75(*edid_info))
		printf("\t832x624\t\t75 Hz (Mac II)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_1024X768_87I(*edid_info))
		printf("\t1024x768\t87 Hz Interlaced (8514A)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_1024X768_60(*edid_info))
		printf("\t1024x768\t60 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_1024X768_70(*edid_info))
		printf("\t1024x768\t70 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_1024X768_75(*edid_info))
		printf("\t1024x768\t75 Hz (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_1280X1024_75(*edid_info))
		printf("\t1280x1024\t75 (VESA)\n");
	if (EDID1_INFO_ESTABLISHED_TIMING_1152X870_75(*edid_info))
		printf("\t1152x870\t75 (Mac II)\n");

	/* Standard timings. */
	printf("Standard timings:\n");
	for (i = 0; i < ARRAY_SIZE(edid_info->standard_timings); i++) {
		unsigned int aspect = 10000;
		unsigned int x, y;
		unsigned char xres, vfreq;

		xres = EDID1_INFO_STANDARD_TIMING_XRESOLUTION(*edid_info, i);
		vfreq = EDID1_INFO_STANDARD_TIMING_VFREQ(*edid_info, i);
		if ((xres != vfreq) ||
		    ((xres != 0) && (xres != 1)) ||
		    ((vfreq != 0) && (vfreq != 1))) {
			switch (EDID1_INFO_STANDARD_TIMING_ASPECT(*edid_info,
					i)) {
			case ASPECT_625:
				aspect = 6250;
				break;
			case ASPECT_75:
				aspect = 7500;
				break;
			case ASPECT_8:
				aspect = 8000;
				break;
			case ASPECT_5625:
				aspect = 5625;
				break;
			}
			x = (xres + 31) * 8;
			y = x * aspect / 10000;
			printf("\t%dx%d%c\t%d Hz\n", x, y,
			       x > 1000 ? ' ' : '\t', (vfreq & 0x3f) + 60);
			have_timing = 1;
		}
	}

	/* Detailed timing information. */
	for (i = 0; i < ARRAY_SIZE(edid_info->monitor_details.descriptor);
			i++) {
		edid_print_dtd(&edid_info->monitor_details.descriptor[i],
			       &have_timing);
	}

	if (!have_timing)
		printf("\tNone\n");
}
Commit	Line	Data
d46b5f7d TWHT	1	/*
	2	* Copyright (c) 2012 The Chromium OS Authors.
	3	*
	4	* (C) Copyright 2010
	5	* Petr Stetiar <[email protected]>
	6	*
	7	* See file CREDITS for list of people who contributed to this
	8	* project.
	9	*
	10	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public License as
	12	* published by the Free Software Foundation; either version 2 of
	13	* the License, or (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	23	* MA 02111-1307 USA
	24	*
	25	* Contains stolen code from ddcprobe project which is:
	26	* Copyright (C) Nalin Dahyabhai <[email protected]>
	27	*
	28	*/
	29
	30	#include <common.h>
	31	#include <edid.h>
	32	#include <linux/ctype.h>
	33	#include <linux/string.h>
	34
	35	int edid_check_info(struct edid1_info *edid_info)
	36	{
	37	if ((edid_info == NULL) \|\| (edid_info->version == 0))
	38	return -1;
	39
	40	if (memcmp(edid_info->header, "\x0\xff\xff\xff\xff\xff\xff\x0", 8))
	41	return -1;
	42
	43	if (edid_info->version == 0xff && edid_info->revision == 0xff)
	44	return -1;
	45
	46	return 0;
	47	}
	48
	49	int edid_get_ranges(struct edid1_info edid, unsigned int hmin,
	50	unsigned int hmax, unsigned int vmin,
	51	unsigned int *vmax)
	52	{
	53	int i;
	54	struct edid_monitor_descriptor *monitor;
	55
	56	hmin = hmax = vmin = vmax = 0;
	57	if (edid_check_info(edid))
	58	return -1;
	59
	60	for (i = 0; i < ARRAY_SIZE(edid->monitor_details.descriptor); i++) {
	61	monitor = &edid->monitor_details.descriptor[i];
	62	if (monitor->type == EDID_MONITOR_DESCRIPTOR_RANGE) {
	63	*hmin = monitor->data.range_data.horizontal_min;
	64	*hmax = monitor->data.range_data.horizontal_max;
65	*vmin = monitor->data.range_data.vertical_min;
66	*vmax = monitor->data.range_data.vertical_max;
67	return 0;
68	}
69	}
70	return -1;
71	}
72
73	/**
74	* Snip the tailing whitespace/return of a string.
75	*
76	* @param string The string to be snipped
77	* @return the snipped string
78	*/
79	static char snip(char string)
80	{
81	char *s;
82
83	/*
84	* This is always a 13 character buffer
85	* and it's not always terminated.
86	*/
87	string[12] = '\0';
88	s = &string[strlen(string) - 1];
89
90	while (s >= string && (isspace(s) \|\| s == '\n' \|\| *s == '\r' \|\|
91	*s == '\0'))
92	*(s--) = '\0';
93
94	return string;
95	}
96
97	/**
98	* Print an EDID monitor descriptor block
99	*
100	* @param monitor The EDID monitor descriptor block
101	* @have_timing Modifies to 1 if the desciptor contains timing info
102	*/
103	static void edid_print_dtd(struct edid_monitor_descriptor *monitor,
104	unsigned int *have_timing)
105	{
106	unsigned char bytes = (unsigned char )monitor;
107	struct edid_detailed_timing *timing =
108	(struct edid_detailed_timing *)monitor;
109
110	if (bytes[0] == 0 && bytes[1] == 0) {
111	if (monitor->type == EDID_MONITOR_DESCRIPTOR_SERIAL)
112	printf("Monitor serial number: %s\n",
113	snip(monitor->data.string));
114	else if (monitor->type == EDID_MONITOR_DESCRIPTOR_ASCII)
115	printf("Monitor ID: %s\n",
116	snip(monitor->data.string));
117	else if (monitor->type == EDID_MONITOR_DESCRIPTOR_NAME)
118	printf("Monitor name: %s\n",
119	snip(monitor->data.string));
120	else if (monitor->type == EDID_MONITOR_DESCRIPTOR_RANGE)
121	printf("Monitor range limits, horizontal sync: "
122	"%d-%d kHz, vertical refresh: "
123	"%d-%d Hz, max pixel clock: "
124	"%d MHz\n",
125	monitor->data.range_data.horizontal_min,
126	monitor->data.range_data.horizontal_max,
127	monitor->data.range_data.vertical_min,
128	monitor->data.range_data.vertical_max,
129	monitor->data.range_data.pixel_clock_max * 10);
130	} else {
131	uint32_t pixclock, h_active, h_blanking, v_active, v_blanking;
132	uint32_t h_total, v_total, vfreq;
133
134	pixclock = EDID_DETAILED_TIMING_PIXEL_CLOCK(*timing);
135	h_active = EDID_DETAILED_TIMING_HORIZONTAL_ACTIVE(*timing);
136	h_blanking = EDID_DETAILED_TIMING_HORIZONTAL_BLANKING(*timing);
137	v_active = EDID_DETAILED_TIMING_VERTICAL_ACTIVE(*timing);
138	v_blanking = EDID_DETAILED_TIMING_VERTICAL_BLANKING(*timing);
139
140	h_total = h_active + h_blanking;
141	v_total = v_active + v_blanking;
142	if (v_total * h_total)
143	vfreq = pixclock / (v_total * h_total);
144	else
145	vfreq = 1; /* Error case */
146	printf("\t%dx%d\%c\t%d Hz (detailed)\n", h_active,
147	v_active, h_active > 1000 ? ' ' : '\t', vfreq);
148	*have_timing = 1;
149	}
150	}
151
152	/**
153	* Get the manufacturer name from an EDID info.
154	*
155	* @param edid_info The EDID info to be printed
156	* @param name Returns the string of the manufacturer name
157	*/
158	static void edid_get_manufacturer_name(struct edid1_info edid, char name)
159	{
160	name[0] = EDID1_INFO_MANUFACTURER_NAME_CHAR1(*edid) + 'A' - 1;
161	name[1] = EDID1_INFO_MANUFACTURER_NAME_CHAR2(*edid) + 'A' - 1;
162	name[2] = EDID1_INFO_MANUFACTURER_NAME_CHAR3(*edid) + 'A' - 1;
163	name[3] = '\0';
164	}
165
166	void edid_print_info(struct edid1_info *edid_info)
167	{
168	int i;
169	char manufacturer[4];
170	unsigned int have_timing = 0;
171	uint32_t serial_number;
172
173	if (edid_check_info(edid_info)) {
174	printf("Not a valid EDID\n");
175	return;
176	}
177
178	printf("EDID version: %d.%d\n",
179	edid_info->version, edid_info->revision);
180
181	printf("Product ID code: %04x\n", EDID1_INFO_PRODUCT_CODE(*edid_info));
182
183	edid_get_manufacturer_name(edid_info, manufacturer);
184	printf("Manufacturer: %s\n", manufacturer);
185
186	serial_number = EDID1_INFO_SERIAL_NUMBER(*edid_info);
187	if (serial_number != 0xffffffff) {
188	if (strcmp(manufacturer, "MAG") == 0)
189	serial_number -= 0x7000000;
190	if (strcmp(manufacturer, "OQI") == 0)
191	serial_number -= 456150000;
192	if (strcmp(manufacturer, "VSC") == 0)
193	serial_number -= 640000000;
194	}
195	printf("Serial number: %08x\n", serial_number);
196	printf("Manufactured in week: %d year: %d\n",
197	edid_info->week, edid_info->year + 1990);
198
199	printf("Video input definition: %svoltage level %d%s%s%s%s%s\n",
200	EDID1_INFO_VIDEO_INPUT_DIGITAL(*edid_info) ?
201	"digital signal, " : "analog signal, ",
202	EDID1_INFO_VIDEO_INPUT_VOLTAGE_LEVEL(*edid_info),
203	EDID1_INFO_VIDEO_INPUT_BLANK_TO_BLACK(*edid_info) ?
204	", blank to black" : "",
205	EDID1_INFO_VIDEO_INPUT_SEPARATE_SYNC(*edid_info) ?
206	", separate sync" : "",
207	EDID1_INFO_VIDEO_INPUT_COMPOSITE_SYNC(*edid_info) ?
208	", composite sync" : "",
209	EDID1_INFO_VIDEO_INPUT_SYNC_ON_GREEN(*edid_info) ?
210	", sync on green" : "",
211	EDID1_INFO_VIDEO_INPUT_SERRATION_V(*edid_info) ?
212	", serration v" : "");
213
214	printf("Monitor is %s\n",
215	EDID1_INFO_FEATURE_RGB(*edid_info) ? "RGB" : "non-RGB");
216
217	printf("Maximum visible display size: %d cm x %d cm\n",
218	edid_info->max_size_horizontal,
219	edid_info->max_size_vertical);
220
221	printf("Power management features: %s%s, %s%s, %s%s\n",
222	EDID1_INFO_FEATURE_ACTIVE_OFF(*edid_info) ?
223	"" : "no ", "active off",
224	EDID1_INFO_FEATURE_SUSPEND(*edid_info) ? "" : "no ", "suspend",
225	EDID1_INFO_FEATURE_STANDBY(*edid_info) ? "" : "no ", "standby");
226
227	printf("Estabilished timings:\n");
228	if (EDID1_INFO_ESTABLISHED_TIMING_720X400_70(*edid_info))
229	printf("\t720x400\t\t70 Hz (VGA 640x400, IBM)\n");
230	if (EDID1_INFO_ESTABLISHED_TIMING_720X400_88(*edid_info))
231	printf("\t720x400\t\t88 Hz (XGA2)\n");
232	if (EDID1_INFO_ESTABLISHED_TIMING_640X480_60(*edid_info))
233	printf("\t640x480\t\t60 Hz (VGA)\n");
234	if (EDID1_INFO_ESTABLISHED_TIMING_640X480_67(*edid_info))
235	printf("\t640x480\t\t67 Hz (Mac II, Apple)\n");
236	if (EDID1_INFO_ESTABLISHED_TIMING_640X480_72(*edid_info))
237	printf("\t640x480\t\t72 Hz (VESA)\n");
238	if (EDID1_INFO_ESTABLISHED_TIMING_640X480_75(*edid_info))
239	printf("\t640x480\t\t75 Hz (VESA)\n");
240	if (EDID1_INFO_ESTABLISHED_TIMING_800X600_56(*edid_info))
241	printf("\t800x600\t\t56 Hz (VESA)\n");
242	if (EDID1_INFO_ESTABLISHED_TIMING_800X600_60(*edid_info))
243	printf("\t800x600\t\t60 Hz (VESA)\n");
244	if (EDID1_INFO_ESTABLISHED_TIMING_800X600_72(*edid_info))
245	printf("\t800x600\t\t72 Hz (VESA)\n");
246	if (EDID1_INFO_ESTABLISHED_TIMING_800X600_75(*edid_info))
247	printf("\t800x600\t\t75 Hz (VESA)\n");
248	if (EDID1_INFO_ESTABLISHED_TIMING_832X624_75(*edid_info))
249	printf("\t832x624\t\t75 Hz (Mac II)\n");
250	if (EDID1_INFO_ESTABLISHED_TIMING_1024X768_87I(*edid_info))
251	printf("\t1024x768\t87 Hz Interlaced (8514A)\n");
252	if (EDID1_INFO_ESTABLISHED_TIMING_1024X768_60(*edid_info))
253	printf("\t1024x768\t60 Hz (VESA)\n");
254	if (EDID1_INFO_ESTABLISHED_TIMING_1024X768_70(*edid_info))
255	printf("\t1024x768\t70 Hz (VESA)\n");
256	if (EDID1_INFO_ESTABLISHED_TIMING_1024X768_75(*edid_info))
257	printf("\t1024x768\t75 Hz (VESA)\n");
258	if (EDID1_INFO_ESTABLISHED_TIMING_1280X1024_75(*edid_info))
259	printf("\t1280x1024\t75 (VESA)\n");
260	if (EDID1_INFO_ESTABLISHED_TIMING_1152X870_75(*edid_info))
261	printf("\t1152x870\t75 (Mac II)\n");
262
263	/* Standard timings. */
264	printf("Standard timings:\n");
265	for (i = 0; i < ARRAY_SIZE(edid_info->standard_timings); i++) {
266	unsigned int aspect = 10000;
267	unsigned int x, y;
268	unsigned char xres, vfreq;
269
270	xres = EDID1_INFO_STANDARD_TIMING_XRESOLUTION(*edid_info, i);
271	vfreq = EDID1_INFO_STANDARD_TIMING_VFREQ(*edid_info, i);
272	if ((xres != vfreq) \|\|
273	((xres != 0) && (xres != 1)) \|\|
274	((vfreq != 0) && (vfreq != 1))) {
275	switch (EDID1_INFO_STANDARD_TIMING_ASPECT(*edid_info,
276	i)) {
277	case ASPECT_625:
278	aspect = 6250;
279	break;
280	case ASPECT_75:
281	aspect = 7500;
282	break;
283	case ASPECT_8:
284	aspect = 8000;
285	break;
286	case ASPECT_5625:
287	aspect = 5625;
288	break;
289	}
290	x = (xres + 31) * 8;
291	y = x * aspect / 10000;
292	printf("\t%dx%d%c\t%d Hz\n", x, y,
293	x > 1000 ? ' ' : '\t', (vfreq & 0x3f) + 60);
294	have_timing = 1;
295	}
296	}
297
298	/* Detailed timing information. */
299	for (i = 0; i < ARRAY_SIZE(edid_info->monitor_details.descriptor);
300	i++) {
301	edid_print_dtd(&edid_info->monitor_details.descriptor[i],
302	&have_timing);
303	}
304
305	if (!have_timing)
306	printf("\tNone\n");
307	}